Finding the Third Proportional to 70,141.50 and 155,043

Step by Step Solution

1. Step 1: Write the proportion equation
   70,141.50 : 155,043 = 155,043 : x
2. Step 2: Convert to fraction form
   70,141.50/155,043 = 155,043/x
3. Step 3: Cross multiply
   70,141.50x = 155,043 × 155,043
4. Step 4: Simplify right side
   70,141.50x = 24,038,331,849
5. Step 5: Solve for x
   x = 24,038,331,849/70,141.50
6. Step 6: Final answer
   x = 342,711.97